Scitex CT format. Raster image file format. Used for pre-press imaging applications. SCT is an acronym for Scitex Continuous Tone. Binary format. Stores images as RGB, CMYK, ...

Automatic Numbering creates an automatic numbering object, or counter, in the current notebook.

Grouping opens a submenu to control cell grouping and toggle cells open or closed.

Initialization Cell makes a cell auto-evaluate whenever the notebook is opened and the kernel is launched.

Initialization Group makes the cells in a group auto-evaluate whenever the notebook is opened and the kernel is launched.

AbsoluteCurrentValue[item] gives the absolute current value of item at a location in the Mathematica system and interface. AbsoluteCurrentValue[{item, spec}] gives the ...

ActiveStyle is an option for Hyperlink and related constructs that specifies styles to add when the constructs are active, typically as a result of the mouse being over them.

AlphaChannel[image] returns the alpha channel of image.

BoxData[boxes] is a low-level representation of the contents of a typesetting cell.

CellOpen is an option for Cell that specifies whether the contents of a cell should be explicitly displayed.